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EBOOK SCIENTIFIC AMERICAN ***


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[Illustration]


SCIENTIFIC AMERICAN SUPPLEMENT NO. 388


NEW YORK, June 9, 1883
Scientific American Supplement. Vol. XV., No. 388.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
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TABLE OF CONTENTS.

I. ENGINEERING.--Farcot's Improved Woolf Compound Engine.--4
figures.
The "Swallow," a New Vehicle.
Boring an Oil Well.
A Cement Reservoir.--2 figures.
"Flying."

II. TECHNOLOGY.--Iron and Steel.--By BARNARD SAMUELSON.
The world's production of pig iron.--Wonderful uses and demands
for iron and steel.--Progress of Bessemer steel.--Latest
improvements in iron making.--Honors and rewards to inventors.
--Growth of the Siemens-Martin process.--The future of iron and
steel.--Relations between employers and workmen.
Machine for Grinding Lithographic Inks and Colors.--1 figure.
A new Evaporating apparatus.--2 figures.
Photo Plates.--Wet and Dry.
Gelatino Bromide Emulsion with Bromide of Zinc.
The Removal of Ammonia from Crude Gas.
III. MEDICINE AND HYGIENE.--The Hair, its Uses and its Care.
The Influence of Effective Breathing in Delaying the Physical
Changes Incident to the Decline of Life, and in the Prevention
of Pneumonia.
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